it.unibz.inf.ontop.dbschema

Class RelationID

java.lang.Object

it.unibz.inf.ontop.dbschema.RelationID

public class RelationID
extends Object

Database identifier used for possibly qualified table names and aliases

Schema name can be empty

Author:

Roman Kontchakov

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RelationID(QuotedID schema, QuotedID table) (used only in QuotedIDFactory implementations)

Method Summary

Modifier and Type	Method and Description
static RelationID	createRelationIdFromDatabaseRecord(QuotedIDFactory idfac, String schema, String table) creates relation id from the database record (as though it is quoted)
boolean	equals(Object obj)
RelationID	getSchemalessID()
String	getSchemaName()
String	getSchemaSQLRendering()
String	getSQLRendering()
String	getTableName()
String	getTableNameSQLRendering()
int	hashCode()
boolean	hasSchema()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RelationID

protected RelationID(QuotedID schema,
                     QuotedID table)

(used only in QuotedIDFactory implementations)

Parameters:

schema -

table -

Method Detail

createRelationIdFromDatabaseRecord

public static RelationID createRelationIdFromDatabaseRecord(QuotedIDFactory idfac,
                                                            String schema,
                                                            String table)

creates relation id from the database record (as though it is quoted)

Parameters:

schema - as is in DB (possibly null)

table - as is in DB

Returns:

getSchemalessID

public RelationID getSchemalessID()

Returns:

the relation ID that has the same name but no schema name

hasSchema

public boolean hasSchema()

Returns:

true if the relation ID contains schema

getSchemaSQLRendering

public String getSchemaSQLRendering()

Returns:

null if the schema name is empty or SQL rendering of the schema name (possibly in quotation marks)

getTableNameSQLRendering

public String getTableNameSQLRendering()

Returns:

SQL rendering of the table name (possibly in quotation marks)

getSchemaName

public String getSchemaName()

Returns:

null if the schema name is empty or the schema name (as is, without quotation marks)

getTableName

public String getTableName()

Returns:

table name (as is, without quotation marks)

getSQLRendering

public String getSQLRendering()

Returns:

SQL rendering of the name (possibly with quotation marks)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object